Atmospheric and vacuum plasma technology can be used to tailor a surface’s behavior toward being either hydrophilic (water-attracting) or hydrophobic (water-repelling) depending on the treatment conditions. In standard plasma activation using oxygen or air, polar functional groups are introduced to the surface,increasing surface energy and making it more hydrophilic, which improves wettability and adhesion.Conversely, by using specific gases or post-treatment chemistries, plasma processes can also be designed to reduce surface energy and create hydrophobic effects, causing liquids to bead up and resist spreading. Atmospheric plasma enables fast, inline adjustment of surface properties, while vacuum plasma offers highly controlled and uniform modification in a chamber environment. This versatility allows precise tuning of surface behavior for applications ranging from coating and printing to anti-fouling or moisture-resistant surfaces.
Keylink’s Plasma Systems manage hydrophobic and hydrophilic surface properties by precisely controlling atmospheric and vacuum plasma process parameters and gas chemistries to tune surface energy, enabling either enhanced wettability or water repellency depending on the application.
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